{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "936976796",
    "entityType": "User",
    "nonce": "0x618f3c59e7e3d37cb35f8aaf66c74ec1e8a9f34a077e0fee0d245d17a9ac2803",
    "signature": "0x6f3cb871aa329f71308a9f14c2228285f4943d3e00da8287a00ba0a1a02de20644d926a05e656a6ca1594912a0c007ebd3243d054387158905696d7f7ae768861c",
    "signer": "0x8b77d47DA28d313A2824468913d2f44F9a5B7b75",
    "userId": "808833626"
  }
}